Ubaid period in Mesopotamia (ca. 6500 to 3800 BC)
(6500 BC -
3800 BC)The prehistoric Ubaid period of Mesopotamia, as defined by Wikipedia following Carter, Robert A. and Philip, Graham Beyond the Ubaid: Transformation and Integration in the Late Prehistoric Societies of the Middle East (Studies in Ancient Oriental Civilization, Number 63) The Oriental Institute of the University of Chicago (2010) ISBN 978-1-885923-66-0 p.2, at http://oi.uchicago.edu/research/pubs/catalog/saoc/saoc63.html [[-6500, -3800]]

New Kingdom Egypt (1548-1086)
(1548 BC -
1086 BC)The New Kingdom period in Egypt, following the chronology of the UCLA Encyclopedia of Egyptology (compiled by Thomas Schneider): http://www.uee.ucla.edu/contributors/chronology.htm. [[-1548, -1086]]

Late Period Egypt (664-332)
(664 BC -
332 BC)The Late Period in Egypt, following the chronology of the UCLA Encyclopedia of Egyptology (compiled by Thomas Schneider): http://www.uee.ucla.edu/contributors/chronology.htm. [[-664, -332]]

Roman, early Empire (30 BC-AD 300)
(30 BC -
AD 300)The Roman period (i.e., the early Roman Empire) in Greek and Roman history. For the purposes of Pleiades, this period is said to begin in the year 30 before the birth of Christ and to end in the year 300 after the birth of Christ. [[-30, 300]]

Late Antique (AD 300-AD 640)
(AD 300 -
AD 640)The Late Antique period in Greek and Roman history. For the purposes of Pleiades, this period is said to begin in the year 300 and to end in the year 640 after the birth of Christ. [[300, 640]]